be controlled by the amount of vinegar or baking soda. Materials: * 1 small empty plastic soda or water bottle * ½ cup of vinegar * Small balloon * Baking soda * Funnel or piece of paper Hypothesis: * Yes‚ the higher the temperature‚ the faster the balloon fills up. * Yes‚ when the bottle is very big‚ it is the time where the balloon fills-up slowly because gasses need a lot of room spread out. * Yes‚ because the amount of vinegar or baking soda affects the production
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A. B. E. A. N. The Combination of Alugbati Berries Extract‚ Alcohol‚ and Native Vinegar (Coconut Vinegar) As Alternative Ink for Pentlepens and Markers A Science Investigatory Project Life Science II. TABLE OF CONTENTS I. Title Page………………………………………………………………………....i II. Table of Contents………………………………………………………...……....ii III. Abstract…………………………………………………………………..……...iii IV. Research Plan A. Statement of the Problem B. Hypotheses……………………………………………………….……. C. Methods and Procedures……………………………………
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Acid-Base Titration Background Information A titration is a controlled addition of one substance into another substance. In an acid-base titration‚ the experimenter will add a base of known concentration to an acid of unknown concentration (or vice-versa). The goal of the titration is usually to use the substance of known concentration to determine the concentration of the other substance. In order to run a titration‚ the following materials are needed: • A buret filled with the base (or acid) of
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Titration is a technique where a solution of known (acid or base) concentration is used to determine the concentration of an unknown (acid or base) solution. 2. A solution of household vinegar (a mixture of acetic acid and water) is to be analyzed. A pipet is used to measure out 10.0 mL of the vinegar‚ which is placed in a 250-mL volumetric flask. Distilled water is added until the total volume of solution is 250 mL. A 25.0-mL portion of the diluted solution is measured out with a pipet and
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Determination of acetic acid in vinegar using acid-base titration 1. Scope The goal of this analytical procedure is to determine the acetic acid content of two samples of vinegar produced by Kolinska‚ Ljubljana‚ Slovenia. These samples are: Sample No. 1: vinegar made from wine‚ 4% Sample No. 2: vinegar made from alcohol‚ 9% The smallest quantity of the sample is 100 mL. Interesting results may be obtained by comparing the acidity of both samples of vinegar with factory analysis data. 2. Principle
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Describes the independent and dependent variables. Case Study: Task 1: Identify the possible toxicity ● What is the chemical formula for vinegar? ● Safety Data Sheet (SDS) for the chemical in vinegar. ○ What is the chemical name? ○ What is the chemical composition? ○ What are some of the hazards? ○ What is the first aid measures?
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Introduction Many might think that an egg is made up of cells‚ when in actuality and egg itself is a cell. An egg has several main parts‚ including the egg shell (that acts as the cell membrane)‚ the egg yolk and the egg white. There’s also a tiny white mass that is very important‚ it’s called the ovum‚ and it is the living part of the cell. If a hen lays an egg without mating with a cock then the ovum will not develop. If the hen does mate‚ then the egg will be fertile and it develops into a
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our group will demonstrate how a chemical reaction from vinegar‚ water‚ and bleach can accelerate the rusting process of steel. If steel wool pads are submerged in bleach‚ water‚ and vinegar‚ then the steel wool pads will rust faster in water because Electrolytes accelerate the corrosion process when combined with water. Materials and Procedure: you will need: Steel wool pads (the soap-free kind) 3 Medium sized jars Water Vinegar Bleach Procedure: 1. Place the steel wool pad into the
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and record. Calculate the Normality of the vinegar using the previously given equation. Calculate the mass of the acetic acid in grams using the previously given equation. Calculate the percentage of acetic acid using the previously given equation. Thoroughly clean all your equipment and wash any left over acid or base down the sink with lots of water. Remember‚ acids and bases will neutralize each other when mixed. Data and Results *Normality of vinegar (Na) = (Nb)(dropsb) / (dropsa) (.5)(22)
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the plant Camellis Sinensis as an ink. Nowadays‚ the environment is being destructed and one the major causes of destruction is water pollution. These are the objectives of the group’s study: 1. to use the extract as component of ink 2. to use vinegar to strengthen the colour of the ink 3. can cornstarch contribute to achieving the right consistency of the ink C. Significance of the Study This investigatory project will benefit us by producing an alternative to other inks‚ specially the materials
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